diff --git a/dotnet/agent-framework-dotnet.slnx b/dotnet/agent-framework-dotnet.slnx
index f26b08ba50..c75597230d 100644
--- a/dotnet/agent-framework-dotnet.slnx
+++ b/dotnet/agent-framework-dotnet.slnx
@@ -143,6 +143,7 @@
     <Project Path="src/Microsoft.Extensions.AI.Agents.Abstractions/Microsoft.Extensions.AI.Agents.Abstractions.csproj" />
     <Project Path="src/Microsoft.Extensions.AI.Agents.AzureAI/Microsoft.Extensions.AI.Agents.AzureAI.csproj" />
     <Project Path="src/Microsoft.Extensions.AI.Agents.CopilotStudio/Microsoft.Extensions.AI.Agents.CopilotStudio.csproj" />
+    <Project Path="src/Microsoft.Extensions.AI.Agents.OpenAI/Microsoft.Extensions.AI.Agents.OpenAI.csproj" />
     <Project Path="src/Microsoft.Extensions.AI.Agents.Runtime.Abstractions/Microsoft.Extensions.AI.Agents.Runtime.Abstractions.csproj" />
     <Project Path="src/Microsoft.Extensions.AI.Agents.Runtime/Microsoft.Extensions.AI.Agents.Runtime.csproj" Id="35d72ad5-61e1-45cc-a9ad-fa8490dbd146">
       <BuildType Solution="Publish|*" Project="Release" />
diff --git a/dotnet/samples/GettingStarted/External/README.md b/dotnet/samples/GettingStarted/External/README.md
deleted file mode 100644
index 7e1ab9d811..0000000000
--- a/dotnet/samples/GettingStarted/External/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# Proposed External references
-
-This directory contains proposed external references for the Agent Framework that are not yet available and may be considered and added in the future.
\ No newline at end of file
diff --git a/dotnet/samples/GettingStarted/GettingStarted.csproj b/dotnet/samples/GettingStarted/GettingStarted.csproj
index 44f0befb85..c3175cc5ec 100644
--- a/dotnet/samples/GettingStarted/GettingStarted.csproj
+++ b/dotnet/samples/GettingStarted/GettingStarted.csproj
@@ -42,6 +42,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\src\Microsoft.Agents.Orchestration\Microsoft.Agents.Orchestration.csproj" />
     <ProjectReference Include="..\..\src\Microsoft.Extensions.AI.Agents.AzureAI\Microsoft.Extensions.AI.Agents.AzureAI.csproj" />
+    <ProjectReference Include="..\..\src\Microsoft.Extensions.AI.Agents.OpenAI\Microsoft.Extensions.AI.Agents.OpenAI.csproj" />
     <ProjectReference Include="..\..\src\Microsoft.Extensions.AI.Agents\Microsoft.Extensions.AI.Agents.csproj" />
   </ItemGroup>
 
diff --git a/dotnet/samples/GettingStarted/External/MEAI.Abstractions/HostedFileContent.cs b/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/MEAI/HostedFileContent.cs
similarity index 99%
rename from dotnet/samples/GettingStarted/External/MEAI.Abstractions/HostedFileContent.cs
rename to dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/MEAI/HostedFileContent.cs
index 48fc89bcd6..5b24ec34c5 100644
--- a/dotnet/samples/GettingStarted/External/MEAI.Abstractions/HostedFileContent.cs
+++ b/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/MEAI/HostedFileContent.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 
+using System;
 using System.Diagnostics;
 using Microsoft.Shared.Diagnostics;
 
diff --git a/dotnet/samples/GettingStarted/External/MEAI.Abstractions/HostedVectorStoreContent.cs b/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/MEAI/HostedVectorStoreContent.cs
similarity index 99%
rename from dotnet/samples/GettingStarted/External/MEAI.Abstractions/HostedVectorStoreContent.cs
rename to dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/MEAI/HostedVectorStoreContent.cs
index cdf132f390..6b444308ff 100644
--- a/dotnet/samples/GettingStarted/External/MEAI.Abstractions/HostedVectorStoreContent.cs
+++ b/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/MEAI/HostedVectorStoreContent.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 
+using System;
 using System.Diagnostics;
 using Microsoft.Shared.Diagnostics;
 
diff --git a/dotnet/samples/GettingStarted/External/MEAI.Abstractions/NewHostedCodeInterpreterTool.cs b/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/MEAI/NewHostedCodeInterpreterTool.cs
similarity index 96%
rename from dotnet/samples/GettingStarted/External/MEAI.Abstractions/NewHostedCodeInterpreterTool.cs
rename to dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/MEAI/NewHostedCodeInterpreterTool.cs
index e3b7bdb604..59cb8c06a3 100644
--- a/dotnet/samples/GettingStarted/External/MEAI.Abstractions/NewHostedCodeInterpreterTool.cs
+++ b/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/MEAI/NewHostedCodeInterpreterTool.cs
@@ -1,5 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 
+using System.Collections.Generic;
+
 namespace Microsoft.Extensions.AI;
 
 /// <summary>
diff --git a/dotnet/samples/GettingStarted/External/MEAI.Abstractions/NewHostedFileSearchTool.cs b/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/MEAI/NewHostedFileSearchTool.cs
similarity index 89%
rename from dotnet/samples/GettingStarted/External/MEAI.Abstractions/NewHostedFileSearchTool.cs
rename to dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/MEAI/NewHostedFileSearchTool.cs
index a2535fa053..3efa49c60c 100644
--- a/dotnet/samples/GettingStarted/External/MEAI.Abstractions/NewHostedFileSearchTool.cs
+++ b/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/MEAI/NewHostedFileSearchTool.cs
@@ -1,5 +1,9 @@
 // Copyright (c) Microsoft. All rights reserved.
 
+// Line removed as it is unnecessary due to ImplicitUsings being enabled.
+
+using System.Collections.Generic;
+
 namespace Microsoft.Extensions.AI;
 
 /// <summary>
diff --git a/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/Microsoft.Extensions.AI.Agents.Abstractions.csproj b/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/Microsoft.Extensions.AI.Agents.Abstractions.csproj
index 335022ffd9..89492227c5 100644
--- a/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/Microsoft.Extensions.AI.Agents.Abstractions.csproj
+++ b/dotnet/src/Microsoft.Extensions.AI.Agents.Abstractions/Microsoft.Extensions.AI.Agents.Abstractions.csproj
@@ -4,6 +4,7 @@
     <TargetFrameworks>$(ProjectsTargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition="'$(Configuration)' == 'Debug'">$(ProjectsDebugTargetFrameworks)</TargetFrameworks>
     <RootNamespace>Microsoft.Extensions.AI.Agents</RootNamespace>
+    <NoWarn>$(NoWarn);CA1716;IDE0009;</NoWarn>
     <VersionSuffix>alpha</VersionSuffix>
   </PropertyGroup>
 
diff --git a/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/Microsoft.Extensions.AI.Agents.AzureAI.csproj b/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/Microsoft.Extensions.AI.Agents.AzureAI.csproj
index 93a39ef9a8..58008d7b35 100644
--- a/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/Microsoft.Extensions.AI.Agents.AzureAI.csproj
+++ b/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/Microsoft.Extensions.AI.Agents.AzureAI.csproj
@@ -4,6 +4,8 @@
     <TargetFrameworks>$(ProjectsTargetFrameworks)</TargetFrameworks>
     <TargetFrameworks Condition="'$(Configuration)' == 'Debug'">$(ProjectsDebugTargetFrameworks)</TargetFrameworks>
     <VersionSuffix>alpha</VersionSuffix>
+    <NoWarn>$(NoWarn);IDE0009;</NoWarn>
+    <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
   <Import Project="$(RepoRoot)/dotnet/nuget/nuget-package.props" />
diff --git a/dotnet/samples/GettingStarted/External/Azure.AI.Agents.Persistent/NewPersistentAgentsChatClient.cs b/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/NewPersistentAgentsChatClient.cs
similarity index 99%
rename from dotnet/samples/GettingStarted/External/Azure.AI.Agents.Persistent/NewPersistentAgentsChatClient.cs
rename to dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/NewPersistentAgentsChatClient.cs
index 87cad52921..e86a75d0c9 100644
--- a/dotnet/samples/GettingStarted/External/Azure.AI.Agents.Persistent/NewPersistentAgentsChatClient.cs
+++ b/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/NewPersistentAgentsChatClient.cs
@@ -58,6 +58,9 @@ namespace Azure.AI.Agents.Persistent
             _metadata = new(ProviderName);
         }
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="NewPersistentAgentsChatClient"/> class.
+        /// </summary>
         public NewPersistentAgentsChatClient() { }
 
         /// <inheritdoc />
diff --git a/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/PersistentAgentsClientExtensions.cs b/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/PersistentAgentsClientExtensions.cs
index fb2a4ed57d..1f9e217c55 100644
--- a/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/PersistentAgentsClientExtensions.cs
+++ b/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/PersistentAgentsClientExtensions.cs
@@ -1,8 +1,5 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-using System;
-using System.Threading;
-using System.Threading.Tasks;
 using Microsoft.Extensions.AI;
 using Microsoft.Extensions.AI.Agents;
 
diff --git a/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/ResponseExtensions.cs b/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/ResponseExtensions.cs
index bc9446f163..517350da11 100644
--- a/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/ResponseExtensions.cs
+++ b/dotnet/src/Microsoft.Extensions.AI.Agents.AzureAI/ResponseExtensions.cs
@@ -1,6 +1,5 @@
 // Copyright (c) Microsoft. All rights reserved.
 
-using System;
 using Microsoft.Extensions.AI;
 using Microsoft.Extensions.AI.Agents;
 
@@ -48,7 +47,7 @@ internal static class PersistentAgentResponseExtensions
         }
 
 #pragma warning disable CA2000 // Dispose objects before losing scope
-        var chatClient = persistentAgentsClient.AsIChatClient(persistentAgentMetadata.Id);
+        var chatClient = new NewPersistentAgentsChatClient(persistentAgentsClient, persistentAgentMetadata.Id);
 #pragma warning restore CA2000 // Dispose objects before losing scope
 
         return new ChatClientAgent(chatClient, options: new()
diff --git a/dotnet/src/Microsoft.Extensions.AI.Agents.OpenAI/Microsoft.Extensions.AI.Agents.OpenAI.csproj b/dotnet/src/Microsoft.Extensions.AI.Agents.OpenAI/Microsoft.Extensions.AI.Agents.OpenAI.csproj
new file mode 100644
index 0000000000..826eead02c
--- /dev/null
+++ b/dotnet/src/Microsoft.Extensions.AI.Agents.OpenAI/Microsoft.Extensions.AI.Agents.OpenAI.csproj
@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>$(ProjectsTargetFrameworks)</TargetFrameworks>
+    <TargetFrameworks Condition="'$(Configuration)' == 'Debug'">$(ProjectsDebugTargetFrameworks)</TargetFrameworks>
+    <VersionSuffix>alpha</VersionSuffix>
+    <NoWarn>$(NoWarn);IDE0009;</NoWarn>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <InjectSharedThrow>true</InjectSharedThrow>
+  </PropertyGroup>
+
+  <Import Project="$(RepoRoot)/dotnet/nuget/nuget-package.props" />
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.AI.OpenAI" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Microsoft.Extensions.AI.Agents\Microsoft.Extensions.AI.Agents.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <!-- NuGet Package Settings -->
+    <Title>Microsoft.Extensions.AI.Agents.OpenAI</Title>
+    <Description>Implementation of generative AI abstractions for OpenAI Agents.</Description>
+  </PropertyGroup>
+
+</Project>
\ No newline at end of file
diff --git a/dotnet/samples/GettingStarted/External/MEAI.OpenAI/NewOpenAIAssistantChatClient.cs b/dotnet/src/Microsoft.Extensions.AI.Agents.OpenAI/NewOpenAIAssistantChatClient.cs
similarity index 100%
rename from dotnet/samples/GettingStarted/External/MEAI.OpenAI/NewOpenAIAssistantChatClient.cs
rename to dotnet/src/Microsoft.Extensions.AI.Agents.OpenAI/NewOpenAIAssistantChatClient.cs